- L. Martin, Jesse
- La Cava, Gregory
- LA Riots (music group)
- la Salle, Eriq
- LaBelle, Patti
- LaBeouf, Shia
- Labine, Tyler
- Labonte, Terry
- LaBute, Neil
- Lachey, Drew
- Lachey, Nick
- Ladd, Alan
- Ladd, Alan
- Ladd, Cheryl
- Ladd, Diane
- Ladd, Jordan
- Lady Antebellum (music group)
- Lady D (music group)
- Lady Gaga
- Laemmle, Carl
- Lafferty, James
- Lagasse, Emeril
- LaGravenese, Richard
- Lahiri, Jhumpa
- Lahmers, Jennifer
- Lahti, Christine
- Laidback Luke (music group)
- Lail, Leah
- Laine, Frankie
- Lake, Don
- Lake, Ricki
- Lake, Veronica
- Lakin, Christine
- Lakshmi, Padma
- LaLanne, Jack
- Lamarr, Hedy
- LaMarr, Phil
- Lamas, Lorenzo
- Lamb of God (music group)
- Lamb, Wally
- Lambert, Adam
- Lambert, Alex
- Lambert, Christopher
- Lambert, Jack
- Lambert, Miranda
- Lambert, Paul
- LaMontagne, Ray
- LaMotta, Jake
- Lamour, Dorothy
- Lampanelli, Lisa
- Lancaster, Burt
- Lancaster, Sarah
- Lanchester, Elsa
- Landau, Martin
- Landers, Ann
- Landes, Michael
- Landesberg, Steve
- Landis, John
- Landon, Michael
- Landreth, Sonny
- Landry, Ali
- Lane, Charles
- Lane, Diane
- Lane, Nathan
- Lang, Fritz
- Lang, Jonny
- lang, k.d.
- Lang, Lang
- Lang, Stephen
- Langdon, Harry
- Lange, Artie
- Lange, Jessica
- Langella, Frank
- Langford, Frances
- Langhorne Slim
- Langone, Stefano
- Langton, Brooke
- Lansbury, Angela
- Lansing, Sherry
- Lansky, Meyer
- Lanter, Matt
- Lanza, Mario
- LaPaglia, Anthony
- LaPaglia, Jonathan
- Lapira, Liza
- Lara, Agustin
- Larroquette, John
- Larry the Cable Guy
- Larson, Brie
- Larson, Jonathan
- Larter, Ali
- Lasky, Jesse
- Lasser, Louise
- Lasseter, John
- Laswell, Greg
- Lathan, Sanaa
- Latifah, Queen
- Lau, Andy
- Lauda, Niki
- Lauer, Andy
- Lauer, Matt
- Laughton, Charles
- Lauper, Cyndi
- Laurel, Stan
- Laurent, Melanie
- Lauria, Dan
- Laurie, Hugh
- Laurie, Piper
- Lauter, Ed
- Lautner, Taylor
- Laverty, Paul
- Lavigne, Avril
- Lavin, Linda
- Law, John Phillip
- Law, Jude
- Law, Phyllida
- Lawford, Peter
- Lawless, Lucy
- Lawrence, Andrew
- Lawrence, D H
- Lawrence, D.H.
- Lawrence, Gertrude
- Lawrence, Jennifer
- Lawrence, Jerome
- Lawrence, Joey
- Lawrence, Marc
- Lawrence, Mark
- Lawrence, Martin
- Lawrence, Matthew
- Lawrence, Sharon
- Lawrence, Vicki
- Lawson, Bianca
- Lawson, Maggie
- Lazar, Andrew
- Lazenby, George
- Le Carre, John
- Le Clezio, Jean-Marie Gustave
- Le Gallienne, Eva
- Leach, Robin
- Leachman, Cloris
- Leal, Sharon
- Lean, David
- Lear, Norman
- Leary, Denis
- Leary, Timothy
- LeBlanc, Matt
- Led Zeppelin (music group)
- Lederer, Richard
- Ledger, Heath
- Lee Smith, Lauren
- Lee, Amos
- Lee, Amy
- Lee, Ang
- Lee, Bobby
- Lee, Brandon
- Lee, Brandy
- Lee, Bruce
- Lee, Christopher
- Lee, Geddy
- Lee, Gypsy Rose
- Lee, Jason
- Lee, Jason Scott
- Lee, Michele
- Lee, Pamela
- Lee, Peggy
- Lee, Quentin
- Lee, Rex
- Lee, Sandra
- Lee, Sheryl
- Lee, Spike
- Lee, Stan
- Lee, Tommy
- Lee, Will Yun
- Leeves, Jane
- Lefevre, Rachelle
- Legend, John
- LeGros, James
- Leguizamo, John
- Lehman, Kristin
- Lehmann, Michael
- Leiber, Jerry
- Leibovitz, Annie
- Leigh, Chyler
- Leigh, Janet
- Leigh, Jennifer Jason
- Leigh, Mike
- Leigh, Vivien
- Leinart, Matt
- Lemche, Kris
- Lemme, Steve
- Lemmon, Jack
- Lemper, Ute
- Lenehan, Nancy
- Lengies, Vanessa
- Lennix, Harry J.
- Lennon, John
- Lennon, Julian
- Lennon, Thomas
- Lennox, Annie
- Leno, Jay
- Lenox, Adriane
- Leo, Melissa
- Leonard, Robert Sean
- Leone, Sergio
- Leoni, Tea
- Leonowens, Anna
- Lepage, Robert
- Lerman, Logan
- Lerner, Michael
- Lesh, Phil
- Leslie, Joan
- Leslie, Lisa
- Leslie, Ryan
- Lessin, Tia
- Lester, Adrian
- Leto, Jared
- Letterman, David
- Letterman, Rob
- Letts, Don
- Levant, Oscar
- Levesque, Joanna
- Levi, Zachary
- Levieva, Margarita
- Levine, Adam
- Levinson, Barry
- Levy, Dani
- Levy, Eugene
- Levy, Shawn
- Lewis, Al
- Lewis, Clea
- Lewis, Damian
- Lewis, Daniel Day
- Lewis, David
- Lewis, Dawnn
- Lewis, Emmanuel
- Lewis, Gary
- Lewis, Geoffrey
- Lewis, Huey
- Lewis, Jason
- Lewis, Jenifer
- Lewis, Jenny
- Lewis, Jerry
- Lewis, Jerry Lee
- Lewis, Juliette
- Lewis, Leona
- Lewis, Peter
- Lewis, Phil
- Lewis, Ramsey
- Lewis, Richard
- Lewis, Shari
- Li, Gong
- Li, Jet
- Lidell, Jamie
- Lieberstein, Paul
- Lifehouse (music group)
- Light, Judith
- Lightfoot, Gordon
- Lil Wayne
- Lil' JJ
- Lil' Kim
- Lillard, Matthew
- Lilley, Chris
- Lilly, Evangeline
- Lima, Adriana
- Limbaugh, Rush
- Lin, Justin
- Lindberg, Chad
- Lindelof, Damon
- Linden, Hal
- Lindo, Delroy
- Lindsey, Steven
- Ling, Lisa
- Linkin Park (music group)
- Linklater, Hamish
- Linklater, Richard
- Linkletter, Art
- Linley, Cody
- Linn, Rex
- Linney, Laura
- Linz, Peter
- Lionize (music group)
- Liotta, Ray
- Lipman, Maureen
- Lipnicki, Jonathan
- Lipton, James
- List, Peyton
- Lithgow, John
- Little Anthony and the Imperials (music group)
- Little Dragon (music group)
- Little Richard
- Liu, Lucy
- Lively, Blake
- LL Cool J
- LLoyd, Christopher
- Lloyd, Eric
- Lloyd, Frank
- Lloyd, Harold
- Lloyd, Jake
- Lloyd, Norman
- LMFAO (music group)
- Lo Bianco, Tony
- Lo Truglio, Joe
- Loach, Ken
- Local H (music group)
- Local Natives (music group)
- Locane, Amy
- Lockhart, Gene
- Lockhart, June
- Locklear, Heather
- Loeb, Lisa
- Loewenstern, Brett
- Logan, Joshua
- Logan, Lara
- Loggia, Robert
- Loggins, Kenny
- Logue, Donal
- Lohan, Dina
- Lohan, Lindsay
- Lohman, Alison
- Loken, Kristanna
- Lollobrigida, Gina
- Lombard, Carole
- Lombard, Louise
- Lombardo, Guy
- London, Jason
- London, Jeremy
- London, Lauren
- London, Theophilus
- Lone (music group)
- Lonergan, Kenneth
- Long, Bobby
- Long, Jackie
- Long, Justin
- Long, Matt
- Long, Nia
- Long, Shelley
- Longoria, Eva
- Lopez, George
- Lopez, Jennifer
- Lopez, Mario
- Lord Huron (music group)
- Lord, Jack
- Lords, Traci
- Loren, Sophia
- Lorenz, Trey
- Lorre, Chuck
- Lorre, Peter
- Los Amigos Invisibles (music group)
- Los Lobos (music group)
- Los Lonely Boys (music group)
- Lotus (music group)
- Loughlin, Lori
- Louis-Dreyfus, Julia
- Louise, Tina
- Louiso, Todd
- Lovato, Demi
- Love, Courtney
- Love, Darlene
- Love, Faizon
- Love, Kevin
- Love, Loni
- Lovell, Jim
- Lovett, Lyle
- Lovitz, Jon
- Low Anthem (music group), The
- Lowe, Chad
- Lowe, Nick
- Lowe, Rob
- Lowell, Carey
- Lowell, Chris
- Lowensohn, Elina
- Lowndes, Jessica
- Loy, Myrna
- Lubitsch, Ernst
- Lucas, George
- Lucas, Isabel
- Lucas, Jessica
- Lucas, Josh
- Lucas, Matt
- Lucci, Susan
- Luchini, Fabrice
- Ludacris
- Ludlum, Robert
- Lugosi, Bela
- Luhrmann, Baz
- Lukas, Paul
- Luke, Derek
- Lumbly, Carl
- Lumet, Sidney
- Lumley, Joanna
- Luna, Diego
- Lunden, Joan
- Lundgren, Dolph
- Lunghi, Cherie
- LuPone, Patti
- Lurie, Rod
- Lusk, Jacob
- Lussier, Patrick
- Lutz, Kellan
- Lutzker, Rachel
- Lydon, John
- Lykke Li
- Lymon, Frankie
- Lynard Skynard (music group)
- Lynch, David
- Lynch, Jane
- Lynch, John Carroll
- Lynch, Kelly
- Lynch, Richard
- Lynche, Michael
- Lyne, Adrian
- Lyngstad, Anni-Frid
- Lynley, Carol
- Lynn, Betty
- Lynn, Loretta
- Lynn, Meredith Scott
- Lynne, Shelby
- Lynskey, Melanie
- Lynyrd Skynyrd (music group)
- Lyonne, Natasha
- Lyons, Ben
- Lyons, David
- Lythgoe, Nigel